CN206399511U - A kind of Bidirectional piston type gas flow standard device - Google Patents
A kind of Bidirectional piston type gas flow standard device Download PDFInfo
- Publication number
- CN206399511U CN206399511U CN201621455019.6U CN201621455019U CN206399511U CN 206399511 U CN206399511 U CN 206399511U CN 201621455019 U CN201621455019 U CN 201621455019U CN 206399511 U CN206399511 U CN 206399511U
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- Prior art keywords
- triple valve
- twin shaft
- double action
- piston
- port
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Abstract
The utility model discloses a kind of Bidirectional piston type gas flow standard device, including base, twin shaft double action piston cylinder is fixedly mounted on the upper surface of base, and the left and right ends of twin shaft double action piston cylinder are coated with piston rod respectively, and two piston rods correspond to the left and right sides for being fixedly connected on piston respectively；Twin shaft double action piston cylinder is provided with left stomata close to the side wall of left end, left stomata is connected by pipeline with the lower port of triple valve first, the upper port of triple valve first is connected to the entrance point of tested flowmeter by blast pipe, and the right output port of triple valve first is connected to air accumulator by air intake duct；Twin shaft double action piston cylinder is provided with right stomata close to the side wall of right-hand member, right stomata is connected by pipeline with the lower port of triple valve second, the upper port of triple valve second is connected to the entrance point of tested flowmeter by blast pipe, and the left port of triple valve second is connected to air accumulator by air intake duct.The utility model is provided with twin shaft double action piston cylinder and triple valve, and the progress that can link up is tested, simple in construction, easy to operate.
Description
Technical field
The utility model belongs to detection means technical field, relates generally to a kind of Bidirectional piston type gas flow standard dress
Put.
Background technology
Existing piston-type gas flow standard device is using unilateral cavity as orthobaric volume cylinder, and piston cylinder is single shaft knot
Structure, unilateral metering cylinder needs first air-breathing during experiment, then exhaust progress flow measurement, and air-breathing and exhaust need reciprocal progress successively,
And only exhaust process is effective metering process, there is the defect such as inefficiency, complicated, cumbersome.
Utility model content
In order to solve the above-mentioned technical problem, a kind of simple in construction, easy to operate, conventional efficient of the utility model offer is high
Bidirectional piston type gas flow standard device.
The technical solution of the utility model is：
A kind of Bidirectional piston type gas flow standard device, including base, twin shaft double action piston cylinder, triple valve first, exhaust
Pipe, triple valve second and air intake duct；Twin shaft double action piston cylinder is fixedly mounted on the upper surface of base, the left and right of twin shaft double action piston cylinder
Two ends are coated with the work for being slided in piston rod, the inner chamber of twin shaft double action piston cylinder and being coated with and being slided along cavity length direction respectively
Plug, two piston rods correspond to the left and right sides for being fixedly connected on piston respectively；Twin shaft double action piston cylinder is set close to the side wall of left end
There is the left stomata connected with inner chamber, left stomata is connected by pipeline with the lower port of triple valve first, the upper port of triple valve first is led to
The entrance point that blast pipe is connected to tested flowmeter is crossed, the right output port of triple valve first is connected to air accumulator by air intake duct；Twin shaft
Double action piston cylinder is provided with the right stomata connected with inner chamber close to the side wall of right-hand member, and right stomata passes through pipeline and the lower end of triple valve second
Mouth connection, the upper port of triple valve second is connected to the entrance point of tested flowmeter by blast pipe, and the left port of triple valve second is led to
Cross air intake duct and be connected to air accumulator；The port of export of tested flowmeter is connected to collection gas tank by pipeline.
It is preferred that, the upper surface of described base is additionally provided with electric cylinder, and electric cylinder is provided with electric cylinder expansion link, and electric cylinder is stretched
Contracting bar is fixedly connected by adpting flange with corresponding piston rod.
It is preferred that, described air accumulator and collection gas tank is same gas tank.
The beneficial effects of the utility model are：
Bidirectional piston type gas flow standard device of the present utility model is provided with twin shaft double action piston cylinder and triple valve, can be with
Coherent progress is tested；The utility model is simple in construction, easy to operate, conventional efficient is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1 is twin shaft double action piston cylinder, and 2 be triple valve first, and 3 be blast pipe, and 4 be air intake duct, and 5 be air accumulator, and 6 are
Triple valve second, 7 be tested flowmeter, and 8 is collect gas tank, and 9 be adpting flange, and 10 be electric cylinder, and 11 be electric cylinder expansion link, 12
For base.
Embodiment
Embodiment：Referring to Fig. 1, a kind of Bidirectional piston type gas flow standard device, including base, twin shaft double action piston
Cylinder, triple valve first, blast pipe, triple valve second and air intake duct；Twin shaft double action piston cylinder is fixedly mounted on the upper surface of base, twin shaft
The left and right ends of double action piston cylinder be coated with respectively in piston rod, the inner chamber of twin shaft double action piston cylinder slide be coated with it is long along inner chamber
The piston that direction is slided is spent, two piston rods correspond to the left and right sides for being fixedly connected on piston respectively；Twin shaft double action piston cylinder is leaned on
The side wall of nearly left end is provided with the left stomata connected with inner chamber, and left stomata is connected by pipeline with the lower port of triple valve first, threeway
The upper port of valve first is connected to the entrance point of tested flowmeter by blast pipe, and the right output port of triple valve first is connected by air intake duct
To air accumulator；Twin shaft double action piston cylinder is provided with the right stomata that connect with inner chamber close to the side wall of right-hand member, right stomata by pipeline and
The lower port connection of triple valve second, the upper port of triple valve second is connected to the entrance point of tested flowmeter, threeway by blast pipe
The left port of valve second is connected to air accumulator by air intake duct；The port of export of tested flowmeter is connected to collection gas tank by pipeline.
Air accumulator is same gas tank or different gas tanks with gas tank is collected, if same gas tank, more saves cost,
Save space.
The upper surface of base is additionally provided with electric cylinder, and electric cylinder is provided with electric cylinder expansion link, and electric cylinder expansion link passes through connection
Flange is fixedly connected with corresponding piston rod.Electric cylinder is easy to install, and stroke can be chosen according to actual needs.
The course of work：
Electric cylinder starts, and electric cylinder expansion link pulls piston rod to move together：
When piston is run to the left, the left chamber of twin shaft double action piston cylinder exhaust right chamber air-breathing, the upper port of triple valve first and
Lower port is connected, and the left port of triple valve second is connected with lower port, and the gas in left chamber is sequentially passed through under left stomata, triple valve first
Port, the upper port of triple valve first, blast pipe, tested flowmeter, into collection gas tank；Gas in air accumulator sequentially passes through air-breathing
Pipe, the left port of triple valve second, the lower port of triple valve second, right stomata reach the right chamber of twin shaft double action piston cylinder.
When piston is run to the right, the right chamber of twin shaft double action piston cylinder exhaust left chamber air-breathing, the right output port of triple valve first and
Lower port is connected, and the upper port of triple valve second is connected with lower port, and the gas in right chamber is sequentially passed through under right stomata, triple valve second
Port, the upper port of triple valve second, blast pipe, tested flowmeter, into collection gas tank；Gas in air accumulator sequentially passes through air-breathing
Pipe, the right output port of triple valve first, the lower port of triple valve first, left stomata reach the left chamber of twin shaft double action piston cylinder.
Another cavity air-breathing while the exhaust of piston one side cavity, is tested as coherent carry out process, so efficiency high, in addition
Triple valve first, the triple valve second that the outlet of piston cylinder two is installed can voluntarily be opened and closed according to piston movement direction, therefore without manually grasping
Make, it is easy-to-use.
Embodiment described above is only that preferred embodiment of the present utility model is described, and is not departing from this reality
On the premise of new design spirit, the various modifications that those of ordinary skill in the art make to the technical solution of the utility model
And improvement, it all should fall into the protection domain that the utility model claims are determined.
Claims (3)
1. a kind of Bidirectional piston type gas flow standard device, it is characterised in that including base, twin shaft double action piston cylinder, threeway
Valve first, blast pipe, triple valve second and air intake duct；Twin shaft double action piston cylinder is fixedly mounted on the upper surface of base, and twin shaft double action is lived
The left and right ends of plug cylinder are coated with to slide in piston rod, the inner chamber of twin shaft double action piston cylinder respectively and are coated with along cavity length direction
The piston of slip, two piston rods correspond to the left and right sides for being fixedly connected on piston respectively；Twin shaft double action piston cylinder is close to left end
Side wall be provided with the left stomata that is connected with inner chamber, left stomata is connected by pipeline with the lower port of triple valve first, triple valve first
Upper port is connected to the entrance point of tested flowmeter by blast pipe, and the right output port of triple valve first is connected to gas storage by air intake duct
Tank；Twin shaft double action piston cylinder is provided with the right stomata connected with inner chamber close to the side wall of right-hand member, and right stomata passes through pipeline and triple valve
The lower port connection of second, the upper port of triple valve second is connected to the entrance point of tested flowmeter by blast pipe, triple valve second
Left port is connected to air accumulator by air intake duct；The port of export of tested flowmeter is connected to collection gas tank by pipeline.
2. Bidirectional piston type gas flow standard device according to claim 1, it is characterised in that described base it is upper
End face is additionally provided with electric cylinder, and electric cylinder is provided with electric cylinder expansion link, and electric cylinder expansion link passes through adpting flange and corresponding piston
Bar is fixedly connected.
3. Bidirectional piston type gas flow standard device according to claim 2, it is characterised in that described air accumulator and
Collection gas tank is same gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621455019.6U CN206399511U (en) | 2016-12-28 | 2016-12-28 | A kind of Bidirectional piston type gas flow standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621455019.6U CN206399511U (en) | 2016-12-28 | 2016-12-28 | A kind of Bidirectional piston type gas flow standard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399511U true CN206399511U (en) | 2017-08-11 |
Family
ID=59516809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621455019.6U Expired - Fee Related CN206399511U (en) | 2016-12-28 | 2016-12-28 | A kind of Bidirectional piston type gas flow standard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781214A (en) * | 2017-11-10 | 2019-05-21 | 上海扬基电子科技有限公司 | One kind being electric-only propulsion bidirectional double-shaft piston type checking table |
| CN110346007A (en) * | 2018-04-08 | 2019-10-18 | 浙江工业大学 | Duplex two dimension piston-type flow-meter |
-
2016
- 2016-12-28 CN CN201621455019.6U patent/CN206399511U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781214A (en) * | 2017-11-10 | 2019-05-21 | 上海扬基电子科技有限公司 | One kind being electric-only propulsion bidirectional double-shaft piston type checking table |
| CN110346007A (en) * | 2018-04-08 | 2019-10-18 | 浙江工业大学 | Duplex two dimension piston-type flow-meter |
| CN110346007B (en) * | 2018-04-08 | 2024-05-03 | 浙江工业大学 | Duplex two-dimensional piston flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |